What is this?

[amizengo]

This gemstone cuts glass I want to know what is it .Please experts help me.Thanks

 

[Terry Soloman]

Maybe Green Agate?

 

[Gare]

Good guess Terry

 

[robertk]

It looks like glass to me.

 

[tamrock]

Slag glass quite a few for sale on ebay.

Glass Rock Slag Pretty Clear Limey Green 3.8 lbs FF70 Rocks Landscape | eBay

It weights approx. 5"x 5 1/2". Ihand sand these to remove most of the sharp edges. These are great to add to your flower garden or your fish aquarium. Around hot tub or a great addition to your fish aquarium.

www.ebay.com

 

[dognose]

it looks like a melted bottle part to me

 

[AU Seeker]

This gemstone cuts glass I want to know what is it .Please experts help me.Thanks

I think what you have is "Andara Glass", some think it volcanic glass, but many others and more likely true is that it's industrial slag glass, comes in all colors of the rainbow.

Andara Crystals — What are they, and what’s their deal?

There are a number of stones in the gemstone trade that are referred to as crystals, when they really aren’t. Some, like art glass, don’t have a crystalline structure. Others might be m…

marblecrowblog.com

That all being said there's enough people out there that believes it's natural that it usually sell for good prices.

 

[oldmxrat]

Slag glass quite a few for sale on ebay.

Glass Rock Slag Pretty Clear Limey Green 3.8 lbs FF70 Rocks Landscape | eBay

It weights approx. 5"x 5 1/2". Ihand sand these to remove most of the sharp edges. These are great to add to your flower garden or your fish aquarium. Around hot tub or a great addition to your fish aquarium.

www.ebay.com

Good job Tamrock!

 

[tamrock]

I think what you have is "Andara Glass", some think it volcanic glass, but many others and more likely true is that it's industrial slag glass, comes in all colors of the rainbow.

Andara Crystals — What are they, and what’s their deal?

There are a number of stones in the gemstone trade that are referred to as crystals, when they really aren’t. Some, like art glass, don’t have a crystalline structure. Others might be m…

marblecrowblog.com

That all being said there's enough people out there that believes it's natural that it usually sell for good prices.

I've seen tables filled with these big chunks of glass at the rock shops you would see along the tourist areas of Royal Gorge, Colo. and places like Moab, Utah. They come in a verity of colors. They do catch your eye.